Home / 8,257.03-12,382.37-2,990.49

Finding the Fourth Proportional to 8,257.03, 12,382.37 and 2,990.49

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Solution

The fourth proportional to 8,257.03, 12,382.37 and 2,990.49 is: 4,484.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.03 : 12,382.37 = 2,990.49 : x
  2. Step 2: Convert to fraction form
    8,257.03/12,382.37 = 2,990.49/x
  3. Step 3: Cross multiply
    8,257.03x = 12,382.37 × 2,990.49
  4. Step 4: Simplify right side
    8,257.03x = 37,029,303.49
  5. Step 5: Solve for x
    x = 37,029,303.49/8,257.03
  6. Step 6: Final answer
    x = 4,484.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.